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Long Island weather: High winds predicted overnight and through Monday

Vehicles drive through flooding on Horseblock Road at

Vehicles drive through flooding on Horseblock Road at Route 112 in Medford on Sunday morning. Credit: James Carbone

Winds as high as 65 mph could pummel the tristate area Monday, potentially knocking down trees and power lines and creating difficult driving conditions, according to the National Weather Service.

The worst wind gusts probably will hit during Monday work hours — from about 9 a.m. to 4 p.m. — after ramping up Sunday night to about 45 mph, according to the weather service in Upton. Sustained winds will be between 25 mph to 35 mph, the service said. 

The service issued a high wind warning from 8 p.m. Sunday to 6 p.m. Monday for the region, as well as a gale warning for ocean waters.

The strong, damaging winds are coming through the Great Lakes from Canada as a cold front drops temperatures.

Several agencies issued wind-related warnings. The Long Island Rail Road urged riders to be careful on platforms and staircases and monitor for train times. PSEG Long Island warned customers not to touch downed wires, and to report any to 800-490-0075. When traffic signals are out, drivers should treat  intersections as all-way stops, the state Department of Transportation said in a statement Sunday.

As of 11:30 p.m. Sunday, 866 of the 1.1 million PSEG Long Island electricity customers were affected by the high winds, spokeswoman Elizabeth Flagler said in an email. “We have a robust workforce ready to respond to outages safely and as quickly as possible throughout the night.”

Travel will be difficult for trucks, meteorologist Carlie Buccola said. People should also tie down outdoor items that can blow away, including decorations and trash cans. 

Monday's weather will otherwise be sunny, with a high near 40 and lows around 20 at night, meteorologist Faye Morrone said. 

Tuesday will also be windy, with gusts as high as 26 mph, while sunny with a high of 35 degrees.

Wednesday and Thursday are expected to be partly sunny, with highs near 40 degrees, and a chance of snow Thursday night into Friday morning.

Friday warms up a bit, to a high near 40 degrees, but there’s another chance of snow and rain into Saturday, which will see a high near 47.

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